Now showing items 2455-2474 of 3185

    Radio Resource Management strategies based hopfield neural networks 

    Garcia Garcia, Núria (Date of defense: 2009-05-25)

    Esta tesis doctoral se enmarca en la temática de Gestion de Recursos Radioelectricos en los sistemas de comunicaciones móviles, 3G, B3G y 4G. Como es ampliamente conocido los recursos radios son escasos, particularmente ...

    Radiofequency electromagnetic fields exposure, sleep, and neurodevelopment in preadolescents and adolescents 

    Cabré-Riera, Alba (Date of defense: 2011-11-20)

    The use of mobile communication devices (e.g. mobile phones, tablets, and laptops) increased during the last few years, especially in preadolescents and adolescents. In order to function, mobile communication devices require ...

    La raíz imaginada: Javier Cercas, biografía de una obra literaria 

    Quesada Casado, Carlos (Date of defense: 2022-12-02)

    El siguiente documento estudia la obra de Javier Cercas desde su primera publicación, El móvil (1987) hasta el reciente título del nuevo ciclo de novelas iniciado con Terra Alta (2019). La tesis consta de cinco partes. ...

    RANK signaling, a master regulator of mammary stemness and cancer : characterization of RANK and RANKL pathway stem cell fate, tumorigenesis and metastasis 

    Pellegrini, Pasquale (Date of defense: 2014-04-10)

    RESUME RANK signaling is essential for mammary gland development and progesterone induced tumorigenesis. Here we show that RANK controls mammary stem cell fate; increased RANK signaling results in accumulation of stem and ...

    Re-exploring testosterone metabolism : new insights for doping control 

    Fabregat Rossell, Andreu (Date of defense: 2014-07-16)

    The detection of endogenous anabolic androgenic steroids (EAAS) is one of the most difficult analytical challenges in the doping control field. The main problem for their detection is to distinguish between normally ...

    Re-thinking human-computer interaction research and design with a growing ageing population: widening contexts of technology use, changing the subject and object of design 

    Righi, Valeria (Date of defense: 2016-02-03)

    This dissertation analyses, reflects on, and re-thinks the way in which Human-Computer-Interaction (HCI) research is conducted with a growing ageing population. This dissertation draws upon a 5-year research-through design ...

    Re-thinking large scale hate speech identification: beyond common NLP conventions and supervised machine learning 

    Teixeira Fortuna, Paula Cristina (Date of defense: 2023-03-06)

    The detection of hate speech in online spaces is traditionally conceptualized as a classification task that uses Machine Learning (ML)-driven Natural Language Processing (NLP) techniques. In accordance with this ...

    Reading out neural populations: shared variability, global fluctuations and information processing 

    Romero Arandia, Iñigo (Date of defense: 2017-06-19)

    Entendre l'origen i la funció de l'activitat de poblacions neuronals, i com aquesta activitat es relaciona amb els estímuls sensorials, les decisions o les accions motores és un gran repte per les neurociències. En ...

    Real-time multimedia on off-the-shelf operating systems: from timeliness dataflow models to pattern languages 

    Arumí Albó, Pau (Date of defense: 2009-06-30)

    Els sistemes multimèdia basats en programari capaços de processar àudio, vídeo i gràfics a temps-real són omnipresents avui en dia. Els trobem no només a les estacions de treball de sobre-taula sinó també als dispositius ...

    Reasoning in dialogue: exploring the inferential articulation of speech acts 

    Yuan, Chenjie (Date of defense: 2022-02-01)

    This dissertation studies the inferential articulation of speech acts (in particular, assertions and questions) in dialogue, drawing upon two theoretical frameworks, a normative Question Under Discussion (qud) model of ...

    Recepción de William Blake : desde su público contemporáneo hasta el Surrealismo 

    Picón Bruno, Daniela (Date of defense: 2014-11-25)

    En esta investigación exploramos la historia de la recepción del poeta, artista y visionario inglés William Blake (1757-1827), indagando en los diversos aspectos de la concreción de su obra en su propio tiempo, a través ...

    Recolectar, administrar y defender : la construcción del estado y las resistencias regionales en Guatemala, 1800-1871 

    Sarazúa Pérez, Juan Carlos (Date of defense: 2013-11-21)

    Esta tesis tiene como objetivo discutir los caminos seguidos en la construcción estatal en Guatemala durante la primera mitad del siglo XIX, entre la crisis de la Monarquía Hispana y la Reforma Liberal (1800-1871). ...

    Reconstitution of FMRP-mediated mRNA transport system in vitro 

    Komissarov, Artem (Date of defense: 2020-10-07)

    Learning and memory formation are based on the mechanisms of synaptic plasticity. Synaptic plasticity modulates development and strengthening of new neuronal connections, or synapses, upon learning and is based on local ...

    Reconstructing Empire: Spain, Cuba, and the United States, 1861-1886 

    Llorens DeCesaris, Gerard (Date of defense: 2023-06-09)

    This thesis explores the interconnections between the U.S. and the Spanish Empire in the late 19th century, adopting an approach that departs from the traditional historical narratives that have considered these histories ...

    Recovery of cerebrovascular morphodynamics from time-resolved rotational angiography 

    Zhang, Chong (Date of defense: 2011-07-28)

    Over the last decade, there has been a growing interest in assessing cerebral aneurysmal wall motion, because of its potential connections to the biomechanical conditions of the vessel wall, which could eventually aid the ...

    Recovery of pathogen genomes from ancient human samples : individual cases, disease and epidemics 

    Dios Martínez, Toni de (Date of defense: 2021-03-23)

    Infectious diseases have affected humanity since its apparition in Africa 300,000 years ago. Demographic changes associated to the Neolithic transition, and ensuing population movements, have facilitated the emergence and ...

    Redes sociales online y participación política: un análisis del caso chileno entre 2009 y 2019 

    Scherman, Andrés (Date of defense: 2023-06-30)

    La tesis “Redes sociales online y participación política: un análisis del caso chileno entre 2009 y 2019” aborda el impacto de las redes sociales online en la participación política de los jóvenes chilenos durante una ...

    Redes temáticas en la web: estudio de caso de la red temática de la transparencia en Chile 

    Castillejo Sierra, Miguel (Date of defense: 2016-01-25)

    El objeto de estudio de esta investigación son las Redes Temáticas, concretamente las Redes Temáticas en la Web y su potencial para extraer datos objetivos de las corrientes de opinión que se generan en torno a un tema de ...

    Reescritura gráfica: una teoría de la adaptación de textos literarios al cómic a partir de las obras de Alberto Breccia 

    Gutiérrez García-Huidobro, Julio (Date of defense: 2015-07-10)

    El presente trabajo pretende proponer un modelo de análisis de adaptaciones de textos literarios al cómic. Por medio de la articulación de cuatro ejes dinámicos planteados como la base sobre la que se construye la enunciación ...

    Reescritura y creación poética en Migraciones de Gloria Gervitz 

    Sueiras Altamirano, Perla Ximena (Date of defense: 2022-02-28)

    Esta tesis tiene como objetivo presentar la obra de la poeta mexicana Gloria Gervitz —Migraciones. Poema 1976-2020— desde el terreno de la poética de la reescritura, ya que se trata de un solo poema que ha ido creciendo ...